Electric control valve structure characteristics and working principle
Classification:
Release Time：2019-04-19
The electric regulating valve is mainly composed of an electric actuator and a regulating valve body. By receiving signals from the industrial automation control system, the valve is driven to change the cross-sectional area between the valve core and the valve seat, and the flow, temperature, and pressure of the pipeline medium And other process parameters to realize remote automatic control. The equal percentage characteristic is the best, and it has the characteristics of stable adjustment and good adjustment performance. Electric control valve structure features: 1, the use of deep dynamic negative feedback, can improve the accuracy of automatic adjustment. 2, the electric operator has a variety of forms. 3. The adjustable range is large, and the flow characteristics are linear and equal percentage. 4, electronic electric control valve can be directly by the current
The electric regulating valve is mainly composed of an electric actuator and a regulating valve body. By receiving signals from the industrial automation control system, the valve is driven to change the cross-sectional area between the valve core and the valve seat, and the flow, temperature, and pressure of the pipeline medium And other process parameters to realize remote automatic control. The equal percentage characteristic is the best, and it has the characteristics of stable adjustment and good adjustment performance.
Electric control valve structure features:
1, the use of deep dynamic negative feedback, can improve the accuracy of automatic adjustment.
2, the electric operator has a variety of forms.
3. The adjustable range is large, and the flow characteristics are linear and equal percentage.
4. The electronic electric control valve can be directly controlled by the current signal valve opening.
5. The valve body is designed according to the principle of fluid mechanics with equal cross-section and low flow resistance.
electric control valve structure classification:
Electric control valve can generally be divided into single-seat and double-seat structure, electric single-seat control valve is suitable for strict requirements on leakage, electric double-seat control valve has a small unbalanced force, large allowable pressure difference, large flow capacity waiting point, suitable for occasions where leakage requirements are not strict.
electric control valve working principle:
The electric control valve automatically controls the opening of the valve according to the signal of the regulating part, so as to achieve the adjustment of the medium flow, pressure and liquid level.
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